ave-http 0.10.0

HTTP API server for the Ave runtime, auth system, and admin surface
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149

use ave_bridge::BridgeError;
use ave_bridge::Error as CoreError;
use axum::{
    Json,
    http::StatusCode,
    response::{IntoResponse, Response},
};
use serde::Serialize;

#[derive(Serialize)]
struct ErrorBody {
    error: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    trackers: Option<Vec<String>>,
}

/// HTTP error type for the Axum API layer.
///
/// Wraps [`BridgeError`] and maps each variant to the appropriate
/// HTTP status code, returning a JSON body `{"error": "…"}`.
pub struct HttpError(BridgeError);

impl From<BridgeError> for HttpError {
    fn from(err: BridgeError) -> Self {
        Self(err)
    }
}

impl IntoResponse for HttpError {
    fn into_response(self) -> Response {
        let status = status_for_bridge_error(&self.0);
        let body = match &self.0 {
            BridgeError::Core(CoreError::GovernanceHasTrackers {
                trackers,
                ..
            }) => ErrorBody {
                error: self.0.to_string(),
                trackers: Some(trackers.clone()),
            },
            _ => ErrorBody {
                error: self.0.to_string(),
                trackers: None,
            },
        };

        (status, Json(body)).into_response()
    }
}

const fn status_for_bridge_error(err: &BridgeError) -> StatusCode {
    match err {
        // ── Input validation → 400 ──────────────────────────────
        BridgeError::InvalidSubjectId(_)
        | BridgeError::InvalidRequestId(_)
        | BridgeError::InvalidPublicKey(_)
        | BridgeError::InvalidSignature(_)
        | BridgeError::InvalidEventRequest(_) => StatusCode::BAD_REQUEST,

        // ── Key decrypt (wrong password) → 401 ─────────────────
        BridgeError::KeyDecrypt(_) => StatusCode::UNAUTHORIZED,

        // ── Key management → 500 ───────────────────────────────
        BridgeError::KeyDirectoryCreation(_)
        | BridgeError::KeyRead(_)
        | BridgeError::KeyRestore(_)
        | BridgeError::KeyGeneration(_)
        | BridgeError::KeyEncrypt(_)
        | BridgeError::KeyWrite(_) => StatusCode::INTERNAL_SERVER_ERROR,

        // ── Configuration → 500 ────────────────────────────────
        BridgeError::ConfigBuild(_) | BridgeError::ConfigDeserialize(_) => {
            StatusCode::INTERNAL_SERVER_ERROR
        }

        // ── Sink authentication → 500 ──────────────────────────
        BridgeError::SinkAuth(_) => StatusCode::INTERNAL_SERVER_ERROR,

        // ── Core errors → delegate ─────────────────────────────
        BridgeError::Core(core) => status_for_core_error(core),
    }
}

const fn status_for_core_error(err: &CoreError) -> StatusCode {
    match err {
        // ── 400 Bad Request ────────────────────────────────────
        CoreError::InvalidSignature(_)
        | CoreError::InvalidSubjectId(_)
        | CoreError::InvalidQueryParams(_)
        | CoreError::InvalidEventRequest(_) => StatusCode::BAD_REQUEST,

        // ── 401 Unauthorized ───────────────────────────────────
        CoreError::Unauthorized(_) => StatusCode::UNAUTHORIZED,

        // ── 403 Forbidden ──────────────────────────────────────
        CoreError::Forbidden(_) => StatusCode::FORBIDDEN,

        // ── 503 Service Unavailable ───────────────────────────
        CoreError::SafeMode(_) => StatusCode::SERVICE_UNAVAILABLE,

        // ── 404 Not Found ──────────────────────────────────────
        CoreError::RequestNotFound(_)
        | CoreError::ApprovalNotFound(_)
        | CoreError::SubjectNotFound(_)
        | CoreError::GovernanceNotFound(_)
        | CoreError::WitnessesNotFound(_)
        | CoreError::NoEventsFound(_)
        | CoreError::EventNotFound { .. }
        | CoreError::NoPendingTransfers => StatusCode::NOT_FOUND,

        // ── 409 Conflict ───────────────────────────────────────
        CoreError::InvalidRequestState(_)
        | CoreError::InvalidApprovalState(_)
        | CoreError::SubjectNotActive(_)
        | CoreError::GovernanceHasTrackers { .. } => StatusCode::CONFLICT,

        // ── 422 Unprocessable Entity ───────────────────────────
        CoreError::RequestProcessing(_)
        | CoreError::ValidationFailed(_)
        | CoreError::SchemaValidation(_) => StatusCode::UNPROCESSABLE_ENTITY,

        // ── 501 Not Implemented ────────────────────────────────
        CoreError::NotImplemented(_) => StatusCode::NOT_IMPLEMENTED,

        // ── 502 Bad Gateway ────────────────────────────────────
        CoreError::Network(_) | CoreError::NetworkState(_) => {
            StatusCode::BAD_GATEWAY
        }

        // ── 504 Gateway Timeout ────────────────────────────────
        CoreError::Timeout(_) => StatusCode::GATEWAY_TIMEOUT,

        // ── 500 Internal Server Error (everything else) ────────
        CoreError::SystemInit(_)
        | CoreError::ActorCreation { .. }
        | CoreError::MissingResource { .. }
        | CoreError::SigningFailed(_)
        | CoreError::ApprovalUpdateFailed(_)
        | CoreError::AuthOperation(_)
        | CoreError::QueryFailed(_)
        | CoreError::DatabaseError(_)
        | CoreError::ActorCommunication { .. }
        | CoreError::UnexpectedResponse { .. }
        | CoreError::ActorError(_)
        | CoreError::TransferFailed(_)
        | CoreError::DistributionFailed(_)
        | CoreError::UpdateFailed(_, _)
        | CoreError::Internal(_) => StatusCode::INTERNAL_SERVER_ERROR,
    }
}